Finding the Fourth Proportional to 17,711.55, 24,442.01 and 10,638.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,711.55 : 24,442.01 = 10,638.09 : x
2. Step 2: Convert to fraction form
   17,711.55/24,442.01 = 10,638.09/x
3. Step 3: Cross multiply
   17,711.55x = 24,442.01 × 10,638.09
4. Step 4: Simplify right side
   17,711.55x = 260,016,302.16
5. Step 5: Solve for x
   x = 260,016,302.16/17,711.55
6. Step 6: Final answer
   x = 14,680.61